[PATCH 04/52] mtd: rawnand: brcmnand: fix probe function error path

[Miquel Raynal]

An error after nand_scan_tail() should trigger a nand_release().
The helper mtd_device_register() returns an error code that should
be checked and nand_release() called accordingly.

Signed-off-by: Miquel Raynal <miquel.raynal at bootlin.com>
---
 drivers/mtd/nand/raw/brcmnand/brcmnand.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/mtd/nand/raw/brcmnand/brcmnand.c b/drivers/mtd/nand/raw/brcmnand/brcmnand.c
index c28fd2bc1a84..844c84987f49 100644
--- a/drivers/mtd/nand/raw/brcmnand/brcmnand.c
+++ b/drivers/mtd/nand/raw/brcmnand/brcmnand.c
@@ -2297,7 +2297,11 @@ static int brcmnand_init_cs(struct brcmnand_host *host, struct device_node *dn)
 	if (ret)
 		return ret;
 
-	return mtd_device_register(mtd, NULL, 0);
+	ret = mtd_device_register(mtd, NULL, 0);
+	if (ret)
+		nand_release(mtd);
+
+	return ret;
 }
 
 static void brcmnand_save_restore_cs_config(struct brcmnand_host *host,
-- 
2.14.1